A case report of persistent phrenic nerve injury following pulsed field ablation using a pentaspline catheter

To our knowledge, this represents one of the early cases of persistent PN palsy following PFA with the FARAPULSE system. Although PFA is designed to target cardiomyocytes while sparing adjacent tissues selectively, proximity to the right PN-particularly near the right superior pulmonary vein-may still pose a risk. This case highlights the importance of procedural vigilance, including meticulous catheter positioning and careful consideration of nerve proximity. It highlights that persistent PNI, while rare, remains a potential complication of PFA.